A、When the gear and the related doors are not locked up.
B、When the gear is not locked up.
C、When the gear is not locked in the selected position.
答案：C
A、When the gear and the related doors are not locked up.
B、When the gear is not locked up.
C、When the gear is not locked in the selected position.
答案：C
A. The A/THR system controls the engines and the A/THR pushbutton light is ON.
B. The thrust levers control the engines and the A/THR pushbutton light is OFF.
C. The thrust levers control the engines and the A/THR pushbutton light is ON.
A. When all the engines are not running, and the parking brake is applied and the cabin residual pressure exceeds 2.5mbars.
B. When engines are not running, the slide is disarmed and the cabin residual pressure exceeds 2.5mbars.
C. When engines are not running, the parking brake is applied,the slide is disarmed and the cabin residual pressure exceeds 2.5mbars.
A. The captain uses the 3rd occupant audio equipment.
B. The 3rd occupant uses the captain audio equipment.
C. The captain uses the 3rd occupant ACP.
A. All systems.
B. AUTO call out, low speed warning and TCAS.
C. Stall and windshear.
A. By pressing the central HDG-V/S / TRK-FPA pushbutton on the FCU.
B. By disengaging the HDG or V/S modes.
C. By pressing a FD pushbutton.
A. The muting circuit always mutes the audio output.
B. The muting circuit is operative only with the hand microphone selection.
C. The muting circuit is operative when any microphone.
A. At the wing tips.
B. Between tracks 3 and 4 in each wing.
C. Attached to track 4 offeset gearbox.
A. When is the locking shaft proximity switch target is NEAR and when the manual selector valve is operated.
B. When is the locking shaft proximity switch target is FAR and when the manual selector valve is operated.
C. When is the locking shaft proximity switch target is NEAR.
A. Yes.
B. No.
A. By the Engine fire pushbutton.
B. Automatically when a fire is detected.
C. By the MASTER lever or by the Engine fire Pushbutton.
